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# AtomicLoadOrdering

Specifies the memory ordering semantics of an atomic load operation.

```
@frozen struct AtomicLoadOrdering
```

## Topics

### Type Properties

[`static var acquiring: AtomicLoadOrdering`](/documentation/Synchronization/AtomicLoadOrdering/acquiring)

An acquiring load synchronizes with a releasing operation whose
value its reads. It ensures that the releasing and acquiring
threads agree that all subsequent variable accesses on the
acquiring thread happen after the atomic operation itself.

[`static var relaxed: AtomicLoadOrdering`](/documentation/Synchronization/AtomicLoadOrdering/relaxed)

Guarantees the atomicity of the specific operation on which it is applied,
but imposes no ordering constraints on any other variable accesses.

[`static var sequentiallyConsistent: AtomicLoadOrdering`](/documentation/Synchronization/AtomicLoadOrdering/sequentiallyConsistent)

A sequentially consistent load performs an acquiring load and
also guarantees that it and all other sequentially consistent
atomic operations (loads, stores, updates) appear to be executed
in a single, total sequential ordering.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`Copyable`](/documentation/Swift/Copyable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Escapable`](/documentation/Swift/Escapable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

---

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